$(".user-a").mouseenter(function(){
	$(this).parent().css("background","deeppink");
	$(this).next().css("display","block")
})
$(".user-a").mouseleave(function(){
	$(this).parent().css("background","#3A3A3A");
	$(this).next().css("display","none")
})

$(".zixun-a").mouseenter(function(){
//	$(this).parent().css("background","deeppink");
	$(this).next().css("display","block")
})
$(".zixun-a").mouseleave(function(){
//	$(this).parent().css("background","#3A3A3A");
	$(this).next().css("display","none")
})

$(".top").click(function(){
	scrollTo(0,0)
})
